Normal pore diameter(å)3 3 3 3 Particle diameterú¿mmú¬ 1.9 3.7 3.4 6.7 Bulk density(kg/m3) 660 660 640 610 Crush strength(n) 26 75 67 134 Heat of adsorption(kcal/kg) 4200 4200 4200 4200 Equilibrium h20 capacity (wt-%)*19 19 19 19 Water content as shipped (wt-%)